I think it is hard to say to what extent there actually is even borderline deception. The internet amplifies random and funny things. In this article (which, we should note, is even-handed but leaning skeptical toward the garish reconstructions), it is noted that the images that have spread are the ugliest of the exhibit. If the exhibit tells the full story, and the internet just amplified the silt bits, that’s not deception on the part of the exhibit.